package java_flow_contral;

public class Demo01_String {
    public static void main(String[] args) {
        String  Ahello= "qingjiang";
        String  hello= "qingjiang";
        String  $hello= "qingjiang";
        String  _hello= "qingjiang";
        String  Phello= "qingjiang";
        String a= "hello900";
        Byte c = 10;
        System.out.println(a);
    }
}
